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Ballot measure supermajority requirements ballot measures

From Ballotpedia

Voters have decided onballot measure supermajority requirements across the U.S. As a state ballot measure topic, this includes measures to increase, decrease, or otherwise change the vote threshold to approve certain ballot measure types. The topic is grouped within theelection policy area.

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Upcoming ballot measures

See also:2026 ballot measures and2027 ballot measures

The following is a list of state ballot measures related to this topic that are certified or potential for this year and future elections:

2026

  1. California Supermajority Requirement for Initiatives Establishing One-Time Revenue Sources Amendment (2026) - Potential
  2. California Two-Thirds Vote Requirement for Special Taxes Initiative (2026) - Potential
  3. California Vote Requirements for Initiatives Requiring Supermajority Votes Amendment (2026) - On the ballot
  4. Hawaii Simple Majority Vote for Constitutional Amendments Measure (2026) - Potential
  5. Missouri Amendment 4, Require Congressional District Approval for Initiated Constitutional Amendments, Prohibit Foreign Contributions, and Penalize Petition Fraud Amendment (2026) - On the ballot
  6. North Dakota 60% Vote Requirement for Constitutional Amendments Measure (2026) - On the ballot
  7. South Dakota Constitutional Amendment L, 60% Vote Requirement for Constitutional Amendments Measure (2026) - On the ballot
  8. Utah 60% Vote Requirement for Ballot Initiatives to Increase or Expand Taxes Amendment (2026) - On the ballot

List of state ballot measures

Click the tabs to view state ballot measures related to this topic, organized by year or state.

Years
States

2026

  1. California Supermajority Requirement for Initiatives Establishing One-Time Revenue Sources Amendment (2026) - Potential
  2. California Two-Thirds Vote Requirement for Special Taxes Initiative (2026) - Potential
  3. California Vote Requirements for Initiatives Requiring Supermajority Votes Amendment (2026) - On the ballot
  4. Hawaii Simple Majority Vote for Constitutional Amendments Measure (2026) - Potential
  5. Missouri Amendment 4, Require Congressional District Approval for Initiated Constitutional Amendments, Prohibit Foreign Contributions, and Penalize Petition Fraud Amendment (2026) - On the ballot
  6. North Dakota 60% Vote Requirement for Constitutional Amendments Measure (2026) - On the ballot
  7. South Dakota Constitutional Amendment L, 60% Vote Requirement for Constitutional Amendments Measure (2026) - On the ballot
  8. Utah 60% Vote Requirement for Ballot Initiatives to Increase or Expand Taxes Amendment (2026) - On the ballot

2024

  1. California Proposition 5, Lower Supermajority Requirement to 55% for Local Bond Measures to Fund Housing and Public Infrastructure Amendment (2024)Defeated

2023

  1. Ohio Issue 1, 60% Vote Requirement to Approve Constitutional Amendments Measure (2023)Defeated

2022

  1. Arizona Proposition 132, 60% Vote Requirement for Ballot Measures to Approve Taxes Amendment (2022)Approved
  2. Arkansas Issue 2, 60% Supermajority Vote Requirement for Constitutional Amendments and Ballot Initiatives Measure (2022)Defeated
  3. South Dakota Constitutional Amendment C, 60% Vote Requirement for Ballot Measures Increasing Taxes or Appropriating $10 Million Measure (June 2022)Defeated

2018

  1. South Dakota Constitutional Amendment X, 55% Vote Requirement to Approve Constitutional Amendments Measure (2018)Defeated

2016

  1. California Proposition 50, Legislator Suspension Amendment (June 2016)Approved
  2. Colorado Amendment 71, 55% Vote Requirement and Signature Distribution Requirement for Constitutional Amendments Measure (2016)Approved

2012

  1. Washington Initiative 1185, Tax Increase Approval Requirement Measure (2012)Overturned

2010

  1. Alabama Special County Educational Tax Amendment, Amendment 2 (2010)Defeated

2008

  1. Arizona Proposition 105, Supermajority Requirement for Tax and Spending Initiatives Amendment (2008)Defeated
  2. Oregon Measure 56, Eliminate Voter Turnout Requirement for Property Tax Elections Amendment (2008)Approved

2007

  1. Washington HJR 4204, Simple Majority for Excess School Tax Levies Amendment (2007)Approved

2006

  1. Florida Amendment 3, 60% Majority Requirement for Constitutional Amendments Amendment (2006)Approved

2004

  1. Maine Question 1, Impose Maximum Limit on Property Taxes and Require Voter Approval to Raise the Limit Initiative (2004)Defeated

2000

  1. Arizona Proposition 102, Two-Thirds Vote Requirement for Hunting-Related Initiatives Amendment (2000)Defeated
  2. California Proposition 26, Simple Majority Vote for Local School Bonds and Charter School Facilities Initiative (March 2000)Defeated
  3. California Proposition 39, Decrease Supermajority from Two-Thirds to 55% for School Bonds Amendment (2000)Approved

1998

  1. Missouri Amendment 2, Voter Approval Requirements for School Property Taxes Measure (1998)Approved
  2. Oregon Measure 63, Supermajority Vote for Ballot Measures Proposing Supermajority Requirements Initiative (1998)Approved
  3. Utah Proposition 5, Two-Thirds Vote Requirement for Hunting-Related Initiatives Amendment (1998)Approved

1996

  1. California Proposition 218, Voter Approval Requirement for Local Tax Increases Initiative (1996)Approved
  2. Florida Amendment 1, Two-Thirds Vote Requirement for State Taxes or Fees Constitutional Amendment Initiative (1996)Approved
  3. Oregon Measure 46, Require Majority of Registered Voters to Approve Tax Increase Ballot Measures Initiative (1996)Defeated
  4. South Dakota Amendment B, Supermajority Vote Required to Raise Taxes Measure (1996)Approved

1992

  1. Missouri Amendment 1, Four-Sevenths Majority for Tax Increases Measure (1992)Defeated
  2. Missouri Amendment 10, St. Louis Bond Issue Approval Requirement Measure (1992)Defeated

1990

  1. California Proposition 136, Changes to Vote Requirements for New or Increased Taxes Initiative (1990)Defeated
  2. Missouri Amendment 3, Four-Sevenths Majority for Tax Increases Measure (August 1990)Defeated

1988

  1. Missouri Amendment 4, Required Majority Vote for Bond Approval Measure (August 1988)Approved

1986

  1. California Proposition 62, Approval of Local Taxes Initiative (1986)Approved

1985

  1. Washington HJR 22, Voter Approval of Excess School Tax Levies Amendment (1985)Defeated

1984

  1. Nevada Question 12, Government Taxes and Fees Initiative (1984)Defeated

1982

  1. Missouri Amendment 11, Four-Sevenths Vote to Issue Bonds Measure (1982)Defeated

1980

  1. Idaho SJR 112, Simple Majority Vote for Citizen Initiatives and Allow Initiatives on General Election Ballots Amendment (1980)Approved
  2. Michigan Proposal D, Voter Approval Requirement for New or Increased Taxes Initiative (1980)Defeated

1978

  1. South Dakota Amendment D, Approval for Income Tax Increase Measure (1978)Approved

1974

  1. Arizona Proposition 102, Require Minimum 10% Turnout for Bond and Assessment Elections Amendment (1974)Defeated
  2. Georgia Amendment 7, Revenue Certificate Elections Measure (1974)Defeated
  3. Missouri Amendment 2, Voter Approval Requirements for Local Government Bonds for Industrial Projects Measure (1974)Approved
  4. Oklahoma State Question 495, Simple Majority Vote for Citizen Initiatives Measure (August 1974)Approved
  5. Oklahoma State Question 496, Simple Majority Vote for Constitutional Amendments Measure (August 1974)Approved

1972

  1. Washington SJR 5, 60% Vote Requirement for Lotteries Amendment (1972)Approved

1968

  1. Missouri Amendment 1, Voter Approval of Municipal Bonds Measure (1968)Defeated

1966

  1. California Proposition 4, Approval Percentage for Bond Issues About Schools and Libraries Amendment (1966)Defeated

1960

  1. Michigan Proposal 3, Vote Requirement for Constitutional Convention Questions and Delegate Elections Initiative (1960)Approved

1954

  1. Minnesota Amendment 1, Require a Supermajority Vote to Ratify a New State Constitution and Allow Legislators to Serve at Constitutional Conventions Amendment (1954)Approved

1952

  1. Minnesota Amendment 2, Supermajority Requirement for Ratifying New State Constitutions Amendment (1952)Defeated
  2. Missouri Amendment 2, School District Debt Limit Measure (1952)Approved

1934

  1. Idaho HJR 7, Simple Majority Vote for Citizen Initiatives Measure (1934)Defeated

1933

  1. Oregon Measure Nos. 308-309, Two-Thirds Vote for Municipal Bonds Amendment (July 1933)Defeated

1920

  1. Missouri Amendment 3, Allow Large Cities to Increase Bonded Debt for Public Utility Acquisition Measure (1920)Approved
  2. Nebraska Amendment 39, Constitutional Amendment Vote Requirements Amendment (September 1920)Approved

1916

  1. Arizona Measure Nos. 100-101, Require Majority of Votes Cast in Election to Approve Ballot Initiatives Amendment (1916)Defeated

1915

  1. California Proposition 7, Two-Thirds Vote Requirement for Initiated Bond Measures Amendment (October 1915)Defeated

1912

  1. Ohio Simple Majority Vote for Constitutional Amendments Measure (September 1912)Approved
  2. Oregon Measure Nos. 310-311, Require Majority of Votes Cast in Election to Approve Constitutional Amendments Measure (1912)Defeated
  3. Oregon Measure Nos. 322-323, Require Majority of Votes Cast in Election to Approve Ballot Initiatives Measure (1912)Defeated

1908

  1. Texas Proposition 2, School District Taxes Amendment (1908)Approved

See also

Ballot Measure Overview

State & Local Ballot Measures
Ballotpedia
Measures
  • • State ballot measures
  • • Local ballot measures
  • • Analyses
History
  • • Historical Ballot Measures (HBM) Factbooks
  • • History of ballot measures by topic
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  • • Campaign finance
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